1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portal.tools.sql;
24  
25  import com.liferay.portal.kernel.util.StringUtil;
26  
27  import java.io.BufferedReader;
28  import java.io.IOException;
29  import java.io.StringReader;
30  
31  /**
32   * <a href="HypersonicUtil.java.html"><b><i>View Source</i></b></a>
33   *
34   * @author Alexander Chow
35   * @author Sandeep Soni
36   * @author Ganesh Ram
37   */
38  public class HypersonicUtil extends DBUtil {
39  
40      public static DBUtil getInstance() {
41          return _instance;
42      }
43  
44      public String buildSQL(String template) throws IOException {
45          template = convertTimestamp(template);
46          template = replaceTemplate(template, getTemplate());
47  
48          template = reword(template);
49          template = StringUtil.replace(template, "\\'", "''");
50  
51          return template;
52      }
53  
54      protected HypersonicUtil() {
55          super(TYPE_HYPERSONIC);
56      }
57  
58      protected String buildCreateFileContent(
59          String databaseName, int population) {
60  
61          return null;
62      }
63  
64      protected String getServerName() {
65          return "hypersonic";
66      }
67  
68      protected String[] getTemplate() {
69          return _HYPERSONIC;
70      }
71  
72      protected String reword(String data) throws IOException {
73          BufferedReader br = new BufferedReader(new StringReader(data));
74  
75          StringBuilder sb = new StringBuilder();
76  
77          String line = null;
78  
79          while ((line = br.readLine()) != null) {
80              if (line.startsWith(ALTER_COLUMN_NAME)) {
81                  String[] template = buildColumnNameTokens(line);
82  
83                  line = StringUtil.replace(
84                      "alter table @table@ alter column @old-column@ rename to " +
85                          "@new-column@;",
86                      REWORD_TEMPLATE, template);
87              }
88              else if (line.startsWith(ALTER_COLUMN_TYPE)) {
89                  String[] template = buildColumnTypeTokens(line);
90  
91                  line = StringUtil.replace(
92                      "alter table @table@ alter column @old-column@ @type@ " +
93                          "@nullable@;",
94                      REWORD_TEMPLATE, template);
95              }
96  
97              sb.append(line);
98              sb.append("\n");
99          }
100 
101         br.close();
102 
103         return sb.toString();
104     }
105 
106     private static String[] _HYPERSONIC = {
107         "//", "true", "false",
108         "'1970-01-01'", "now()",
109         " binary", " bit", " timestamp",
110         " double", " int", " bigint",
111         " longvarchar", " longvarchar", " varchar",
112         "", "commit"
113     };
114 
115     private static HypersonicUtil _instance = new HypersonicUtil();
116 
117 }